Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: HNSNTXXADS0

Remotes:

Switch Switch name Switch type
TRTWTXXARL0  TURNERTOWN  GTR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
903-655 A Henderson TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 554      
903-655 0 Henderson TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 554      
903-655 1 Henderson TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 554      
903-655 2 Henderson TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 554      
903-655 3 Henderson TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 554      
903-655 5 Henderson TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 554      
903-655 6 Henderson TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 554      
903-655 7 Henderson TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 554      
903-655 8 Henderson TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 554      
903-657 A Henderson TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 554      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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